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Liposomes cancer

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https://www.readbyqxmd.com/read/28550753/catalase-loaded-cisplatin-prodrug-constructed-liposomes-to-overcome-tumor-hypoxia-for-enhanced-chemo-radiotherapy-of-cancer
#1
Rui Zhang, Xuejiao Song, Chao Liang, Xuan Yi, Guosheng Song, Yu Chao, Yu Yang, Kai Yang, Liangzhu Feng, Zhuang Liu
Aiming at improved therapeutic efficacies, the combination of chemotherapy and radiotherapy (chemo-radiotherapy) has been widely studied and applied in clinic. However, the hostile characteristics of tumor microenvironment such as hypoxia often limit the efficacies in both types of cancer therapies. Herein, catalase (CAT), an antioxidant enzyme, is encapsulated inside liposomes constituted by cisplatin (IV)-prodrug-conjugated phospholipid, forming CAT@Pt (IV)-liposome for enhanced chemo-radiotherapy of cancer...
May 18, 2017: Biomaterials
https://www.readbyqxmd.com/read/28545372/lectin-carbohydrate-interactions-implications-for-the-development-of-new-anticancer-agents
#2
Evellyne de Oliveira Figueirôa, Cassia Regina Albuquerque da Cunha, Priscilla B S Albuquerque, Raiana Apolinário de Paula, Mary Ângela Aranda-Souza, Matheus Alves da Silva, Adrielle Zagmignan, Maria G Carneiro-da-Cunha, Luís Cláudio Nascimento da Silva, Maria Tereza Dos Santos Correia
Lectins are a large group of proteins found in animals, plants, fungi, and bacteria that recognize specific carbohydrate targets and play an important role in cell recognition and communication, host-pathogen interactions, embryogenesis, and tissue development. Recently, lectins have emerged as important biomedical tools that have been used in the development of immunomodulatory, antipathogenic, and anticancer agents. Several lectins have been shown to have the ability to discriminate between normal cells and tumor cells as a result of their different glycosylation patterns...
May 22, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28544386/skin-mucous-membrane-disorder-and-therapeutic-effect-of-pegylated-liposomal-doxorubicin-in-recurrent-ovarian-cancer
#3
Yuki Yamada, Ryuji Kawaguchi, Fuminori Ito, Kana Iwai, Emiko Niiro, Hiroshi Shigetomi, Yasuhito Tanase, Hiroshi Kobayashi
AIM: Hand-foot syndrome (HFS) induced by chemotherapy and molecule-targeting drugs is correlated with treatment efficacy. We conducted a retrospective analysis to evaluate the relationship between HFS and efficacy of pegylated liposomal doxorubicin (PLD) for recurrent ovarian cancer. METHODS: Patients were treated with PLD between July 2009 and May 2014. We evaluated patient characteristics, incidence of adverse events, clinical benefit (rate of complete response, partial response, and stable disease), progression-free survival, and overall survival...
May 19, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28544068/interstitial-fluid-pressure-a-novel-biomarker-to-monitor-photo-induced-drug-uptake-in-tumor-and-normal-tissues
#4
Sabrina Cavin, Xingyu Wang, Matthieu Zellweger, Michel Gonzalez, Michaël Bensimon, Georges Wagnières, Thorsten Krueger, Hans-Beat Ris, Fabrizio Gronchi, Jean Y Perentes
BACKGROUND: Low-dose photodynamic therapy PDT (photoinduction) can modulate tumor vessels and enhance the uptake of liposomal cisplatin (Lipoplatin®) in pleural malignancies. However, the photo-induction conditions must be tightly controlled as overtreatment shuts down tumor vessels and enhances normal tissue drug uptake. MATERIAL AND METHODS: In a pleural sarcoma and adenocarcinoma rat model (n = 12/group), we applied photoinduction (0.0625 mg/kg Visudyne®, 10 J/cm(2) ) followed by intravenous Lipoplatin® (5 mg/kg) administration...
May 22, 2017: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/28542037/long-term-use-of-pegylated-liposomal-doxorubicin-to-a-cumulative-dose-of-4600%C3%A2-mg-m2-in-recurrent-ovarian-cancer
#5
Adam Pendlebury, Robert DeBernardo, Peter G Rose
Pegylated liposomal doxorubicin (PLD) is used widely in gynecologic oncology and other oncology disciplines. Native doxorubicin use is associated with the potential for significant toxicity. Cardiac toxicity in particular limits lifetime dose. PLD has not been shown to be associated with clinical cardiac toxicity. We report on the long-term use of PLD in a patient with recurrent high-grade serous ovarian cancer to a lifetime dose of 4600 mg/m. This therapy was associated with long-term stable disease, good performance status, and minimal adverse effects...
May 24, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28540814/lyso-thermosensitive-liposomal-doxorubicin-for-treatment-of-bladder-cancer
#6
Andrew S Mikhail, Ayele H Negussie, William F Pritchard, Dieter Haemmerich, David Woods, Ivane Bakhutashvili, Juan Esparza-Trujillo, Sam J Brancato, John Karanian, Piyush K Agarwal, Bradford J Wood
PURPOSE: To evaluate lyso-thermosensitive liposomal doxorubicin (LTLD, ThermoDox(®)) in combination with loco-regional mild hyperthermia (HT) for targeted drug delivery to the bladder wall and potential treatment of bladder cancer. MATERIAL AND METHODS: Porcine in vivo studies were performed with the following groups: (i) intravenous (IV) LTLD with hyperthermia (LTLD + HT); (ii) IV doxorubicin (DOX) with hyperthermia (IV DOX + HT) and (iii) IV LTLD without hyperthermia (LTLD - HT)...
May 10, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28537465/sulfated-archaeal-glycolipid-archaeosomes-as-a-safe-effective-vaccine-adjuvant-for-induction-of-cell-mediated-immunity
#7
Michael J McCluskie, Lise Deschatelets, Lakshmi Krishnan
Archaeosomes are liposomal vesicles composed of ether glycerolipids unique to the domain of Archaea. Unlike conventional ester-linked liposomes, archaeosomes exhibit high stability and possess strong adjuvant and immunostimulatory properties making them an attractive vaccine delivery vehicle. Traditionally comprised of total polar lipids (TPL) or semi-synthetic phospho-glycerolipids of ether-linked isoprenoid phytanyl cores with varied glycol- and amino-head groups, archaeosomes can induce robust and long-lasting humoral and cell-mediated immune responses against antigenic cargo and provide protection in murine models of infectious disease and cancer...
May 24, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28534355/in-vitro-antiproliferative-effects-of-nab-paclitaxel-with-liposomal-cisplatin-on-mda-mb-231-and-mcf-7-breast-cancer-cell-lines
#8
Idil Cetin, Mehmet R Topcul
PURPOSE: In this study, the in vitro cytotoxic effect of nanotechnological drugs nab-paclitaxel and liposomal cisplatin combination was evaluated on MDA-MB-231 and MCF-7 breast cancer cell lines. METHODS: For this purpose cell viability, cell index values obtained from xCELLigence RTCA (Real-Time Cell Analysis) DP instrument, mitotic index (MI), apoptotic index (AI) and labelling index (LI) analysis among cell kinetic parameters were used. A1L25: 1 μg/ml nab-paclitaxel+25 μg/ml liposomal cisplatin, A1L5: 1 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin and A10L5: 10 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin for MDA-MB-231 cell line and A1L5: 1 μg/ml nab-paclitaxel+5 μg/ml liposomal cisplatin, A1L10: 1 μg/ml nab-paclitaxel+10 μg/ml liposomal cisplatin and A5L1: 5 μg/ml nab-paclitaxel+1 μg/ml liposomal cisplatin doses for MCF-7 were applied for 24-72 hrs...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28534337/-mir-145-inhibits-drug-resistance-to-oxaliplatin-in-colorectal-cancer-cells-through-regulating-g-protein-coupled-receptor-98
#9
Qiang Fu, Jing Cheng, Jindai Zhang, Yonglei Zhang, Xiaobing Chen, Jianguo Xie, Suxia Luo
OBJECTIVE: To predict and identify the target gene of miR-145, and to explore the underlying mechanism of the inhibition of miR-145 on drug resistance to Oxaliplatin (L-OHP) in human colorectal cancer cells. METHODS: L-OHP-resistant human colorectal cancer cell line (HCT116/L-OHP) was established in vitro by exposing to increased concentrations of L-OHP in cell culture medium. MiR-145-mimics and its negative control (NC-miRNA) were transfected into HCT116/L-OHP cells using liposome to establish HCT116/L-OHP(mimics) over-expressing miR-145 and HCT116/L-OHP(NC)...
May 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28529640/lung-cancer-targeting-peptides-with-multi-subtype-indication-for-combinational-drug-delivery-and-molecular-imaging
#10
Yi-Hsuan Chi, Jong-Kai Hsiao, Ming-Huang Lin, Chen Chang, Chun-Hsin Lan, Han-Chung Wu
Lung cancer is the leading cause of cancer-related death worldwide. Most targeted drugs approved for lung cancer treatment are tyrosine kinase inhibitors (TKIs) directed against EGFR or ALK, and are used mainly for adenocarcinoma. At present, there is no effective or tailored targeting agent for large cell carcinoma (LCC) or small cell lung cancer (SCLC). Therefore, we aimed to identify targeting peptides with diagnostic and therapeutic utility that possess broad subtype specificity for SCLC and non-small cell lung cancer (NSCLC)...
2017: Theranostics
https://www.readbyqxmd.com/read/28528299/selective-targeting-and-therapy-of-metastatic-and-multidrug-resistant-tumors-using-a-long-circulating-podophyllotoxin-nanoparticle
#11
Aniruddha Roy, Yucheng Zhao, Yang Yang, Andras Szeitz, Tara Klassen, Shyh-Dar Li
Treatment options for metastatic and multidrug resistant (MDR) tumors are limited, and most of the chemotherapeutic drugs exhibit low efficacy against MDR cancers. An anti-tubulin agent podophyllotoxin (PPT) displays high potency against MDR tumor cells. However, due to its poor solubility and non-specificity, PPT cannot be used systemically. We have developed a self-assembling nanoparticle dosage form for PPT (named Celludo) by covalently conjugating PPT and polyethylene glycol (PEG) to acetylated carboxymethyl cellulose (CMC-Ac) via ester linkages...
May 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28528212/targeted-co-delivery-of-polypyrrole-and-rapamycin-by-trastuzumab-conjugated-liposomes-for-combined-chemo-photothermal-therapy
#12
Hanh Thuy Nguyen, Tuan Hiep Tran, Raj Kumar Thapa, Cao Dai Phung, Beom Soo Shin, Jee-Heon Jeong, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Trastuzumab is a therapeutic monoclonal antibody that selectively recognizes HER2/neu receptor for targeting breast cancers. In this study, we aimed to present a strategy to combine chemo and phototherapy and targeted delivery via monoclonal antibody for enhanced anticancer effects. We co-loaded a chemotherapeutic agent, rapamycin, and a photosensitizer, polypyrrole, in trastuzumab-conjugated liposomes (LRPmAb) for combined chemo-photothermal therapy. LRPmAb had small size (172.2±9.6nm), narrow distribution, and negative ζ-potential (-12...
May 18, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28526602/palmitoyl-ascorbate-and-doxorubicin-co-encapsulated-liposome-for-synergistic-anticancer-therapy
#13
Yue Yang, Xiaoyu Lu, Qi Liu, Yu Dai, Xiaojie Zhu, Yanli Wen, Jiaqiu Xu, Yang Lu, Di Zhao, Xijing Chen, Ning Li
Combination therapy with two drugs and nanoparticle-based drug delivery systems are widely applied to reduce the adverse effects of traditional treatment by chemotherapeutic drugs. Palmitoyl ascorbate (PA) as a lipophilic derivative of ascorbic acid shows the advantages in cancer treatment. The aim of the study was to prepare a doxorubicin (DOX) and PA co-loaded liposome to synergistically treat tumor and effectively alleviate the toxicity caused by DOX. The effects were evaluated by in vitro and in vivo studies...
May 17, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28525950/hydrophobic-drug-loaded-pegylated-magnetic-liposomes-for-drug-controlled-release
#14
Andri Hardiansyah, Ming-Chien Yang, Ting-Yu Liu, Chih-Yu Kuo, Li-Ying Huang, Tzu-Yi Chan
Less targeted and limited solubility of hydrophobic-based drug are one of the serious obstacles in drug delivery system. Thus, new strategies to enhance the solubility of hydrophobic drug and controlled release behaviors would be developed. Herein, curcumin, a model of hydrophobic drug, has been loaded into PEGylated magnetic liposomes as a drug carrier platform for drug controlled release system. Inductive magnetic heating (hyperthermia)-stimulated drug release, in vitro cellular cytotoxicity assay of curcumin-loaded PEGylated magnetic liposomes and cellular internalization-induced by magnetic guidance would be investigated...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28524721/thermoresponsive-pegylated-bubble-liposome-nanovectors-for-efficient-sirna-delivery-via-endosomal-escape
#15
Kholod Alamoudi, Patricia Martins, Jonas G Croissant, Sachin Patil, Haneen Omar, Niveen M Khashab
AIM: Improving the delivery of siRNA into cancer cells via bubble liposomes. Designing a thermoresponsive pegylated liposome through the introduction of ammonium bicarbonate salt into liposomes so as to control their endosomal escape for gene therapy. METHODS: A sub-200 nm nanovector was fully characterized and examined for cellular uptake, cytotoxicity, endosomal escape and gene silencing. RESULTS: The siRNA-liposomes were internalized into cancer cells within 5 min and then released siRNAs in the cytosol prior to lysosomal degradation upon external temperature elevation...
May 19, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28523942/combinatorial-therapeutic-approaches-with-rnai-and-anticancer-drugs-using-nanodrug-delivery-systems
#16
Anish Babu, Anupama Munshi, Rajagopal Ramesh
RNA interference (RNAi) is emerging as a powerful approach in cancer treatment. siRNA is an important RNAi tool that can be designed to specifically silence the expression of genes involved in drug resistance and chemotherapeutic inactivity. Combining siRNA and other therapeutic agents can overcome the multidrug resistance (MDR) phenomenon by simultaneously silencing genes and enhancing chemotherapeutic activity. Moreover, the therapeutic efficiency of anticancer drugs can be significantly improved by additive or synergistic effects induced by siRNA and combined therapies...
May 19, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28513646/biocompatibility-and-therapeutic-evaluation-of-magnetic-liposomes-designed-for-self-controlled-cancer-hyperthermia-and-chemotherapy
#17
Manashjit Gogoi, Manish K Jaiswal, Haladhar Dev Sarma, Dhirendra Bahadur, Rinti Banerjee
Magnetic liposome-mediated combined chemotherapy and hyperthermia is gaining importance as an effective therapeutic modality for cancer. However, control and maintenance of optimum hyperthermia are major challenges in clinical settings due to the overheating of tissues. To overcome this problem, we developed a novel magnetic liposomes formulation co-entrapping a dextran coated biphasic suspension of La0.75Sr0.25MnO3 (LSMO) and iron oxide (Fe3O4) nanoparticles for self-controlled hyperthermia and chemotherapy...
May 17, 2017: Integrative Biology: Quantitative Biosciences From Nano to Macro
https://www.readbyqxmd.com/read/28507932/application-of-various-types-of-liposomes-in-drug-delivery-systems
#18
EDITORIAL
Mehran Alavi, Naser Karimi, Mohsen Safaei
Liposomes, due to their various forms, require further exploration. These structures can deliver both hydrophilic and hydrophobic drugs for cancer, antibacterial, antifungal, immunomodulation, diagnostics, ophtalmica, vaccines, enzymes and genetic elements. Preparation of liposomes results in different properties for these systems. In addition, based on preparation methods, liposomes types can be unilamellar, multilamellar and giant unilamellar; however, there are many factors and difficulties that affect the development of liposome drug delivery structure...
April 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28504409/multifunctional-liposomes-for-image-guided-intratumoral-chemo-phototherapy
#19
Dyego Miranda, Kevin Carter, Dandan Luo, Shuai Shao, Jumin Geng, Changning Li, Upendra Chitgupi, Steven G Turowski, Nasi Li, G Ekin Atilla-Gokcumen, Joseph A Spernyak, Jonathan F Lovell
Intratumoral (IT) drug injections reduce systemic toxicity, but delivered volumes and distribution can be inconsistent. To improve IT delivery paradigms, porphyrin-phospholipid (PoP) liposomes are passively loaded with three hydrophilic cargos: sulforhodamine B, a fluorophore; gadolinium-gadopentetic acid, a magnetic resonance (MR) agent; and oxaliplatin, a colorectal cancer chemotherapeutic. Liposome composition is optimized so that cargo is retained in serum and storage, but is released in less than 1 min with exposure to near infrared light...
May 15, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28504251/programmable-co-delivery-of-the-immune-checkpoint-inhibitor-nlg919-and-chemotherapeutic-doxorubicin-via-a-redox-responsive-immunostimulatory-polymeric-prodrug-carrier
#20
Jing-Jing Sun, Yi-Chao Chen, Yi-Xian Huang, Wen-Chen Zhao, Yan-Hua Liu, Raman Venkataramanan, Bin-Feng Lu, Song Li
To achieve synergistic therapeutic efficacy and prevent cancer relapse, chemotherapy and immunotherapy have been combined as a new modality for tumor treatment. In this work, we designed a redox-responsive immunostimulatory polymeric prodrug carrier, PSSN10, for programmable co-delivery of an immune checkpoint inhibitor NLG919 (NLG) and a chemotherapeutic doxorubicin (DOX). NLG-containing PSSN10 prodrug polymers were self-assembled into nano-sized micelles that served as a carrier to load DOX (DOX/PSSN10 micelles)...
May 8, 2017: Acta Pharmacologica Sinica
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